/*
 * Copyright 2009-2009 Tanesha Project. All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, 
 * are permitted provided that the following conditions are met:
 * 
 *    1. Redistributions of source code must retain the above copyright notice, 
 *    	 this list of conditions and the following disclaimer.
 *    2. Redistributions in binary form must reproduce the above copyright notice,
 *    	 this list of conditions and the following disclaimer in the documentation 
 *    	 and/or other materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE FREEBSD PROJECT ``AS IS'' AND ANY EXPRESS OR 
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
 * SHALL THE FREEBSD PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 *  OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 * The views and conclusions contained in the software and documentation are those 
 * of the authors and should not be interpreted as representing official policies, 
 * either expressed or implied, of the Tanesha Project.
 */
package com.google.api.chart;

import com.google.api.chart.encoding.JoinHelper;

public final class ShapeMarkerMaker {

	public static ShapeMarkerMaker shape() {
		return new ShapeMarkerMaker();
	}

	private String type = "a";
	private ColorMaker color = ColorMaker.EMPTY;
	private int dataSetIndex = 0;
	private String dataPoint = "-1";
	private String prefix = "";
	private String size = "1";
	private String priority = null;
	
	private ShapeMarkerMaker() {
	}
	
	@Override
	public String toString() {
		return prefix + type + "," + color.toString() + "," + dataSetIndex + "," + dataPoint + "," + size + (priority != null ? "," + priority : "");
	}
	
	public ShapeMarkerMaker arrow() {
		this.type  = "a";
		return this;
	}
	public ShapeMarkerMaker cross() {
		this.type  = "c";
		return this;
	}
	public ShapeMarkerMaker diamond() {
		this.type  = "d";
		return this;
	}
	public ShapeMarkerMaker circle() {
		this.type  = "o";
		return this;
	}
	public ShapeMarkerMaker square() {
		this.type  = "s";
		return this;
	}
	public ShapeMarkerMaker verticalLineFromX() {
		this.type  = "v";
		return this;
	}
	public ShapeMarkerMaker verticalLineAcross() {
		this.type  = "V";
		return this;
	}
	public ShapeMarkerMaker xmark() {
		this.type  = "x";
		return this;
	}
	public ShapeMarkerMaker color(ColorMaker color) {
		this.color = color;
		return this;
	}
	public ShapeMarkerMaker dataSetIndex(int dataSetIndex) {
		this.dataSetIndex = dataSetIndex;
		return this;
	}
	public ShapeMarkerMaker dataPoint(int n) {
		this.dataPoint = String.valueOf(n);
		return this;
	}
	public ShapeMarkerMaker dataPointAll() {
		this.dataPoint = "-1";
		return this;
	}
	public ShapeMarkerMaker dataPointNth(int nth) {
		this.dataPoint = "-" + nth;
		return this;
	}
	public ShapeMarkerMaker dataPointNthWithRange(int start, int end, int nth) {
		this.dataPoint = start + ":" + end + ":" + nth;
		return this;
	}
	public ShapeMarkerMaker specificDataPoint(int x, int y) {
		this.dataPoint = x + ":" + y;
		this.prefix = "@";
		return this;
	}
	public ShapeMarkerMaker horizontalLine(double position) {
		this.type = "h";
		if (position < 0.0 || position > 1.0)
			throw new IllegalArgumentException("Position must be within [0, 1]. Got " + position);
		this.dataPoint = JoinHelper.doubleFormat(position);
		return this;
	}
	public ShapeMarkerMaker size(double size) {
		this.size = JoinHelper.doubleFormat(size);
		return this;
	}
	public ShapeMarkerMaker drawFirst() {
		this.priority  = "-1";
		return this;
	}
	public ShapeMarkerMaker drawLast() {
		this.priority = "1";
		return this;
	}
}
